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⛅ Special Marine Warning issued March 31 at 1:28AM EDT until March 31 at 2:30AM EDT by NWS Grand Rapids MI

weatheractionableSource: NOAA Weather
88%Confidence
0Views
NOAA WeatherSource
2026-03-31Date

Summary

A special marine warning for Lake Michigan nearshore waters indicates hazardous conditions for shipping and recreational boating. This may temporarily disrupt maritime operations and increase insurance risks for small vessels.

Actionable: Delay or reroute small craft and monitor for impacts on lake freight and tourism.

AI Confidence: 88%

Data Points

severitySevere
eventSpecial Marine Warning
areaPentwater to Manistee MI; Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid Lake
urgencyImmediate
certaintyLikely

Source

http://www.weather.gov

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